This document was prepared for a briefing to Dr. Angell on analyzing the equity implications of Public Safety Power Shutoffs (PSPS) in California.

In Lieu of data on the actual locations and times of Californians affected by PSPS - which are expecting from PG&E soon, we examined the overlay of (CalFIRE’s Fire Hazard Severity Zones (FHSZ)](https://osfm.fire.ca.gov/divisions/wildfire-prevention-planning-engineering/wildland-hazards-building-codes/fire-hazard-severity-zones-maps/) with two (2) statewide datasets describing health equity:

The CalFIRE data is a decent proxy for areas potentially affected by PSPS. The state identifies Moderate, High, and Very High risk areas of both state and local responsibility (can be explored in map below). There are other datasets of wildfire risk that we could explore that may include areas of federal responsibility.

By combining the Fire Hazard zones with the health equity data, we can begin to see how populations living in these different areas compare. For example, using the HPI, we can compare the average Index score (and components) for tracts in the different Fire Risk Severty Zones. The actual scores are not very meningful, but we can see that we see increase HPI Scores for tracts in the highest FRSZs.

A couple of the indicators in the CCHVIs may be more illustrative of the concentration of vulnerability in the highest fire risk areas. For example, the number of elderly individuals (over 65) that live in Very High Risk FHSZs is greater than the number in Moderate and High FHSZs combined, and the majority are white.

---
title: "WildfireRisk/PSPS & Equity Glance"
output: html_notebook
---

### This document was prepared for a briefing to Dr. Angell on analyzing the equity implications of Public Safety Power Shutoffs (PSPS) in California.

In Lieu of data on the actual locations and times of Californians affected by PSPS - which are expecting from PG&E soon, we examined the overlay of (CalFIRE's Fire Hazard Severity Zones (FHSZ)](https://osfm.fire.ca.gov/divisions/wildfire-prevention-planning-engineering/wildland-hazards-building-codes/fire-hazard-severity-zones-maps/) with two (2) statewide datasets describing health equity:

- [CDPH's Climate Change and Health Vulnerability Indicators (CCHVIs)](https://www.cdph.ca.gov/Programs/OHE/Pages/CC-Health-Vulnerability-Indicators.aspx): This set of indicators describe several population characteristics that affect people's
sensitivity to climate-related hazards (age, income, occupation, disability, etc.). They are available at the census tract level, and in some cases can be described by race.
- [California Healthy Places Index (HPI)](https://healthyplacesindex.org/): This statewide index is created by weighting 7 policy area scores (economic, social, education, transportation, neighborhood, housing, pollution, healthcare) which are weighted based on association with life expectancy at birth and combined into a single metric.  

```{r, collapse=TRUE, echo = FALSE, warning =FALSE, message=FALSE}
library(leaflet)
library(tidyverse)
library(leaflet)
library(data.table)
library(sf)
library(highcharter)


#read in and combine all the data
tract_fhsz <- fread("//mnt/projects/ohe/PSPS/tract_fhszs.csv") %>% .[,ct10 := as.character(paste0("0",GEOID))] %>% .[, fire_risk := factor(FHSzone, levels = c("none","Moderate","High","VeryHigh"))]
fhsz_sp <- readRDS("//mnt/projects/ohe/PSPS/fhszs_spatial_sm.RDS") %>% st_transform(crs = 4326)
cchvi_tracts <- readRDS("//mnt/projects/ohe/PSPS/cchvi_tracts.RDS")[latest =="Y"]
hpi <- fread("//mnt/projects/ohe/PSPS/hpi.csv")%>% .[,ct10 := as.character(paste0("0",geoid))]
cchvi_tracts <- merge(tract_fhsz, cchvi_tracts, by = "ct10")
hpi <-merge(tract_fhsz, hpi, by = "ct10")

```

The CalFIRE data is a decent proxy for areas potentially affected by PSPS. The state identifies _Moderate_, _High_, and _Very High_ risk areas of both state and local responsibility (can be explored in map below). There are other datasets of wildfire risk that we could explore that may include areas of federal responsibility. 

```{r echo = FALSE, warning =FALSE, message=FALSE}
pal <- colorFactor(palette = "Reds",levels = c("Moderate","High","VeryHigh"),ordered = T,
                        domain = fhsz_sp$FRSZ,
                        n = 3)
# here we create the Leaft map with two layers, one for all ages and one for elderly
  fhsz_sp %>%
    leaflet() %>%
     addProviderTiles(providers$Esri.WorldStreetMap, group = "Street Map") %>%
      addProviderTiles(providers$Stamen.Terrain, group = "Terrain") %>%
      addProviderTiles(providers$Esri.WorldImagery, group = "Sattelite") %>%
      addProviderTiles(providers$Stamen.Toner, group = "B/W") %>% 
     addPolygons(
        color = "#444444",
        weight = 1,
        smoothFactor = 0.1,
        fillOpacity = 0.8,
        fillColor = ~ pal(FRSZ),
        stroke = FALSE,
        label = ~FRSZ, # here is text that will appear on mouseover
        popup = ~FRSZ, # this is text to appear on a click
        group = "All Ages"
      ) %>%  
    addLayersControl(
    baseGroups = c("Street Map", "Terrain", "Sattelite", "B/W"),
                    options = layersControlOptions(collapsed = TRUE)
                ) %>%
      setView(lat = 37.085206, lng = -119.540085, zoom = 6) %>% #defaults the view of the original map to show the entire state
      addEasyButton(easyButton(
        icon="fa-globe", title="Zoom to State",
        onClick=JS("function(btn, map){ map.setView([37.085206, -119.540085],6); }"))) %>% # adds a button to return to the whole state view
      addLegend("bottomleft",
                pal = pal,
                values = factor(c("Moderate","High","VeryHigh"), levels = c("Moderate","High","VeryHigh")),
                opacity = 1,
                title = "Fire Hazard Severity Zones"
                ##lables = c("X%-X% (most vulnerable)","X%-X%","X%-X%","X%-X%","X%-X% (least"%. In this tract, the "mapTemp$def," is higher than "mapTemp),))##
      ) 

```
By combining the Fire Hazard zones with the health equity data, we can begin to see how populations living in these different areas compare. For example, using the HPI, we can compare the average Index score (and components) for tracts in the different Fire Risk Severty Zones. The actual scores are not very meningful, but we can see that we see increase HPI Scores for tracts in the highest FRSZs.
```{r  echo = FALSE, warning =FALSE, message=FALSE}
foo <- hpi[,.(ct10, fire_risk, hpi2score, economic, education, housing, healthcareaccess, neighborhood, pollution, transportation, social)] %>% 
  melt.data.table(id.vars = c("ct10","fire_risk"), variable.name = "hpi_component",value.name = "value")

hcboxplot(var = foo$hpi_component, x = foo$value, var2 = foo$fire_risk,
          outliers = FALSE) %>% 
  hc_chart(type = "column") %>% 
  hc_add_theme(hc_theme_smpl())



```
A couple of the indicators in the CCHVIs may be more illustrative of the concentration of vulnerability in the highest fire risk areas. For example, the number of elderly individuals (over 65) that live in _Very High_ Risk FHSZs is greater than the number in _Moderate_ and _High_ FHSZs combined, and the majority are white.  
```{r echo = FALSE, warning =FALSE, message=FALSE}

goo <- cchvi_tracts[ind == "elderly" & race !="Total", .(number = sum(numratr, na.rm = T)), by = .(fire_risk, strata, race)] %>%
  .[,race := factor(race, levels = c("AfricanAm","AIAN","Asian","Latino","White","Multiple","Total"))] %>% na.omit()


hchart(goo, "column", stackin = "normal", hcaes(group = fire_risk, y = number, x = race)) %>%
  hc_add_theme(hc_theme_smpl())



```

